/*
 * Copyright (c) 2010, Katholieke Universiteit Leuven
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *     * Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright notice,
 *       this list of conditions and the following disclaimer in the documentation
 *       and/or other materials provided with the distribution.
 *     * Neither the name of the Katholieke Universiteit Leuven nor the names of
 *       its contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#include "contiki.h"
#include "looci.h"

#define TEMP_EVENT 101
#define AVG_EVENT 108


COMPONENT_INTERFACES(averager, AVG_EVENT);
COMPONENT_RECEPTACLES(averager, TEMP_EVENT);
COMPONENT(averager, "TemperatureAveraging");

LOOCI_COMPONENTS(&averager);

COMPONENT_THREAD(averager, ev, data)
{
  COMPONENT_BEGIN();

  static uint16_t total = 0;
  static u8_t nb = 0;

  static struct looci_event temp_event;
 // static struct looci_event average_event;

  while(1) {
    LOOCI_EVENT_RECEIVE(&temp_event);
    if(temp_event.type == TEMP_EVENT) {
    	total += *((uint16_t*)temp_event.payload);
    	nb++;
    	if(nb == 10) {
    		// forward the average temp
    		total = total / nb;
    		looci_event_publish(AVG_EVENT, &total, sizeof(uint16_t));
    		total = 0;
    		nb = 0;
    	}
    }
  } 

  COMPONENT_END();
}
